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  3. Water Pollution Water pollution is an undersirable change in the state of water, /polluted with harmful substances. /It is t

Water Pollution Water pollution is an undersirable change in the state of water, /polluted with harmful substances. /It is t

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答案 Water Pollution Water pollution is an undersirable change in the state of water, /polluted with harmful substances. /It is the second most important environmental issue next to air pollution. /Any change in the physical, chemical or biological properties of water/will have a harmful effect on living things. /Water pollution affects all the major water bodies of the world/such as lakes, rivers, oceans and groundwater. /Polluted water is unfit for drinking and for other consumption processes. /It is also not suitable for agricultural and industrial use.
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